//package com.hy.config;
//
//import com.alibaba.excel.enums.CellDataTypeEnum;
//import com.alibaba.excel.metadata.Head;
//import com.alibaba.excel.metadata.data.CellData;
//import com.alibaba.excel.metadata.data.WriteCellData;
//import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
//import com.alibaba.excel.write.style.column.AbstractColumnWidthStyleStrategy;
//import com.alibaba.nacos.client.naming.utils.CollectionUtils;
//import org.apache.poi.ss.usermodel.Cell;
//
//import java.util.HashMap;
//import java.util.List;
//import java.util.Map;
//
//public class CustomColumnWidthStyleStrategy extends AbstractColumnWidthStyleStrategy {
//    private static final int MAX_COLUMN_WIDTH = 255;
//    private static final int MIN_COLUMN_WIDTH = 10;
//    private Map<Integer, Map<Integer, Integer>> cache = new HashMap<>(8);
//
//    @Override
//    protected void setColumnWidth(WriteSheetHolder writeSheetHolder, List<com.alibaba.excel.metadata.data.WriteCellData<?>> cellDataList, Cell cell, Head head,
//                                  Integer relativeRowIndex, Boolean isHead) {
//        boolean needSetWidth = isHead || !CollectionUtils.isEmpty(cellDataList);
//        if (needSetWidth) {
//            Map<Integer, Integer> maxColumnWidthMap = cache.computeIfAbsent(writeSheetHolder.getSheetNo(),
//                    k -> new HashMap<>(16));
//
//            Integer columnWidth = dataLength(cellDataList, cell, isHead);
//            if (columnWidth >= 0) {
//                if (columnWidth > MAX_COLUMN_WIDTH) {
//                    columnWidth = MAX_COLUMN_WIDTH;
//                } else if (columnWidth < MIN_COLUMN_WIDTH) {
//                    columnWidth = MIN_COLUMN_WIDTH;
//                }
//                Integer maxColumnWidth = maxColumnWidthMap.get(cell.getColumnIndex());
//                if (maxColumnWidth == null || columnWidth > maxColumnWidth) {
//                    maxColumnWidthMap.put(cell.getColumnIndex(), columnWidth);
//                    writeSheetHolder.getSheet().setColumnWidth(cell.getColumnIndex(), columnWidth * 256);
//                }
//            }
//        }
//    }
//
//    private Integer dataLength(List<WriteCellData<?>> cellDataList, Cell cell, Boolean isHead) {
//        if (isHead) {
//            return cell.getStringCellValue().getBytes().length;
//        }
//        CellData cellData = cellDataList.get(0);
//        CellDataTypeEnum type = cellData.getType();
//        if (type == null) {
//            return -1;
//        }
//        switch (type) {
//            case STRING:
//                return cellData.getStringValue().getBytes().length;
//            case BOOLEAN:
//                return 5;
//            case NUMBER:
//                return 10;
//            default:
//                return -1;
//        }
//    }
//}
